Windows 10 Mobile Fall Creators Update

Windows 10 Mobile Fall Creators Update
	Version of Microsoft Windows
OS family	Windows 10 (NT 10.0)
Architecture	ARM32, x86
Latest build	10.0.15254.603
Release date	2017-10-24
Support end	2020-01-14
Replaces
	Windows 10 Mobile Creators Update
Replaced by
	Product family abolished

Windows 10 Mobile Fall Creators Update (version 1709, widely known as Feature 2) is the final feature update for Windows 10 Mobile, released to Windows Insiders on 11 October 2017, and then later to the general public on 24 October 2017. It is primarily a bugfix-focused update, originally serving as a stop-gap release, although it also introduces several new features such as a dedicated privacy page in the out-of-box experience.

Unlike prior updates and despite its name, this version is not the mobile counterpart of the Windows 10 Fall Creators Update. Instead, it is a separate fork of the previous feature update codebase and only includes select backports of new Redstone 3 features, as the Redstone 3-based update was first postponed and eventually cancelled due to multiple factors. The release announcement for build 15204 described the Feature 2 branch as such:^[1]

As we release new builds from our Development Branch for PC, we will also be doing the same for Windows 10 Mobile just like we have been in the past. However, Windows Insiders will likely notice some minor differences. The biggest difference being that the build number and branch won’t match the builds we will be releasing for PC. This is a result of more work we’re doing to converge code into OneCore – the heart of Windows across PC, tablet, phone, IoT, HoloLens, Xbox and more as we continue to develop new improvements for Windows 10 Mobile and our enterprise customers.
— Dona Sarkar, Windows Insider Blog